| Circuit Diagram |

Specification TemperatureResistance (kΩ)°C°F-40-4052.15-20-416.520326.020682.45401041.11601400.54801760.29
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OTS connector. 3. Remove the OTS. (Refer to "Removal") 4. After immersing the thermistor of the sensor into engine coolant, measure resistance between the OTS terminals 1 and 2.
Inspection 1. Press the OFF switch more then 4 times within 2 seconds while pressing the MODE switch. DisplayFail description00Normal23Auto defog sensor OPEN24Auto defog sensor SHORT43Defog door potentiometer OPEN/SHORT44Defog door potentiometer * Diagnostic procedure refer to DTC code.
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower unit.(Refer to HA group – heater unit). 3. Remove the blower unit (A) from the heater unit after loosening a mounting bolt and 3 screws. Make sure that there is no air leaking out of the blower and duct joints.